Patents by Inventor John A. Spargo

John A. Spargo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Greeting card
    Patent number: 4070778
    Abstract: A card has a first section shown as in the form of a picture postcard and a folded-over second section on the front of which there is a printed message and the back of which has pressure sensitive material enabling the card to be adhered to a display surface.
    Type: Grant
    Filed: April 12, 1976
    Date of Patent: January 31, 1978
    Inventors: Harry H. Mahler, John A. Spargo